师生交互平台JSP开发

// Decompiled by Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov. // Jad home page: http://www.kpdus.com/jad.html // Decompiler options: packimports(3) // Source File Name: File.java package com.jspsmart.upload; import java.io.ByteArrayInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.math.BigInteger; import java.sql.ResultSet; import java.sql.SQLException; import javax.servlet.ServletException; // Referenced classes of package com.jspsmart.upload: // SmartUploadException, SmartUpload public class File { File() { m_startData = 0; m_endData = 0; m_size = 0; m_fieldname = new String(); m_filename = new String(); m_fileExt = new String(); m_filePathName = new String(); m_contentType = new String(); m_contentDisp = new String(); m_typeMime = new String(); m_subTypeMime = new String(); m_contentString = new String(); m_isMissing = true; } public void saveAs(String destFilePathName) throws SmartUploadException, IOException { saveAs(destFilePathName, 0); } public void saveAs(String destFilePathName, int optionSaveAs) throws SmartUploadException, IOException { String path = new String(); path = m_parent.getPhysicalPath(destFilePathName, optionSaveAs); if(path == null) throw new IllegalArgumentException("There is no specified destination file (1140)."); try { java.io.File file = new java.io.File(path); file.createNewFile(); try { FileOutputStream fileOut = new FileOutputStream(file); fileOut.write(m_parent.m_binArray, m_startData, m_size); fileOut.close(); } catch(Exception e) { throw new IllegalArgumentException("Path's name is invalid or does not exist (1135)."); } } catch(IOException e) { throw new SmartUploadException("File can't be saved (1120)."); } } public void fileToField(ResultSet rs, String columnName) throws SQLException, SmartUploadException, IOException, ServletException { long numBlocks = 0L; int blockSize = 0x10000; int leftOver = 0; int pos = 0; if(rs == null) throw new IllegalArgumentException("The RecordSet cannot be null (1145)."); if(columnName == null) throw new IllegalArgumentException("The columnName cannot be null (1150)."); if(columnName.length() == 0) throw new IllegalArgumentException("The columnName cannot be empty (1155)."); numBlocks = BigInteger.valueOf(m_size).divide(BigInteger.valueOf(blockSize)).longValue(); leftOver = BigInteger.valueOf(m_size).mod(BigInteger.valueOf(blockSize)).intValue(); try { for(int i = 1; (long)i < numBlocks; i++) { rs.updateBinaryStream(columnName, new ByteArrayInputStream(m_parent.m_binArray, pos, blockSize), blockSize); pos = pos != 0 ? pos : 1; pos = i * blockSize; } if(leftOver > 0) rs.updateBinaryStream(columnName, new ByteArrayInputStream(m_parent.m_binArray, pos, leftOver), leftOver); } catch(SQLException e) { byte binByte2[] = new byte[m_size]; System.arraycopy(m_parent.m_binArray, m_startData, binByte2, 0, m_size); rs.updateBytes(columnName, binByte2); } catch(Exception e) { throw new SmartUploadException("Unable to save file in the DataBase (1130)."); } } public boolean isMissing() { return m_isMissing; } public String getFieldName() { return m_fieldname; } public String getFileName() { return m_filename; } public String getFilePathName() { return m_filePathName; } public String getFileExt() { return m_fileExt; } public String getContentType() { return m_contentType; } public String getContentDisp() { return m_contentDisp; } public String getContentString() { String strTMP = new String(m_parent.m_binArray, m_startData, m_size); return strTMP; } public String getTypeMIME() throws IOException { return m_typeMime; } public String getSubTypeMIME() { return m_subTypeMime; } public int getSize() { return m_size; } protected int getStartData() { return m_startData; } protected int getEndData() { return m_endData; } protected void setParent(SmartUpload parent) { m_parent = parent; } protected void setStartData(int startData) { m_startData = startData; } protected void setEndData(int endData) { m_endData = endData; } protected void setSize(int size) { m_size = size; } protected void setIsMissing(boolean isMissing) { m_isMissing = isMissing; } protected void setFieldName(String fieldName) { m_fieldname = fieldName; } protected void setFileName(String fileName) { m_filename = fileName; } protected void setFilePathName(String filePathName) { m_filePathName = filePathName; } protected void setFileExt(String fileExt) { m_fileExt = fileExt; } protected void setContentType(String contentType) { m_contentType = contentType; } protected void setContentDisp(String contentDisp) { m_contentDisp = contentDisp; } protected void setTypeMIME(String TypeMime) { m_typeMime = TypeMime; } protected void setSubTypeMIME(String subTypeMime) { m_subTypeMime = subTypeMime; } public byte getBinaryData(int index) { if(m_startData + index > m_endData) throw new ArrayIndexOutOfBoundsException("Index Out of range (1115)."); if(m_startData + index <= m_endData) return m_parent.m_binArray[m_startData + index]; else return 0; } private SmartUpload m_parent; private int m_startData; private int m_endData; private int m_size; private String m_fieldname; private String m_filename; private String m_fileExt; private String m_filePathName; private String m_contentType; private String m_contentDisp; private String m_typeMime; private String m_subTypeMime; private String m_contentString; private boolean m_isMissing; public static final int SAVEAS_AUTO = 0; public static final int SAVEAS_VIRTUAL = 1; public static final int SAVEAS_PHYSICAL = 2; }